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Developmental Mathematics Student Workbook, Level 7. Tens & Ones: Subtracting with Exchange
Grade 4, Semester 1- Level 7. Tens & Subtracting with Exchange Level 7. Tens & Subtracting with Exchange covers subtracting with exchange in horizontal and vertical forms using the 45 subtraction facts of exchange.
80 pages, Paperback
Published January 1, 1993
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